uv led diode 365nm Seoul Viosys CUN6LF1C
Product Details Description
Seoul Viosys CUN6LF1C is a compact uv led diode 365nm intended for low current UV-A applications. This product offers 40mW radiant power at 50mA, forward voltage of 3.6V and 120° view angle. Due to the 3.5 x 2.8 x 0.7mm package, this device can be implemented into small PCBs with a small, flat UV LED.
The CUN6LF1C is a low current UV LED as compared to high-power 365nm UV LEDs that are widely used in curing lamps and high-output UV flashlights. This diode will be useful for small detection equipment, low-power UV indicators, compact photocatalyst modules, miniature inspection devices, fluorescence tests, etc.
The 365nm belongs to the UVA / near UV wavelength. Usually, 365nm UV-A is chosen to produce fluorescence due to its ability to generate a strong reaction with minimum visible purple light interference. Therefore, this product can be used for counterfeit detection, security inspection, fluorescence photography, crime inspection, oil leak detection, small UV torches, etc.
For photocatalysis, this uv led diode 365nm can serve as a small UV-A source in prototype modules and compact equipment designs. Final performance depends on the photocatalytic material, distance to the object, optical arrangement, current supply, surface area, flow of air / water and the total UV dose. Testing of the final product before the mass production is highly recommended.
For curing and printing applications, the CUN6LF1C is better to use for low-power curing tests, small adhesive response check, coating evaluation and compact UV exposure modules, where the material is reactive to 365nm UV light. This LED must not be presented as a curing array for large-area or fast curing.
Due to 120° wide beam angle, this product supports wide local coverage as opposed to tight spot. That is useful for small inspection fields, fluorescence panels, insect trap light sources, low-power UV illuminators, etc. Engineers can implement external optics or housing design to set up the final light distribution depending on the application.
This uv led diode 365nm includes modern SMD design. The SMT technology allows to perform the automatic assembly and integration into compact PCBs. To ensure the proper work, use the correct conditions for soldering, proper current control, safe thermal design and electrical overstress protection. Even at 50mA, the UV LED performance can be affected by heat, handling, contamination and improper drive conditions.
It is a component-level UV LED, not a final lamp. The final product must include the driver circuit, PCB, housing, optical arrangement, wiring, switch and safety design. Also, this is a 365nm UVA LED, not a UVC sterilization diode and should not be promoted for sterilization or germicidal applications.
Do not look directly at the working UV LED, do not have any additional skin or eye exposure. Use shielding, protective eyewear, warning labels and safe procedures during testing, assembly and work with this product.
Specifications
Brand: Seoul Viosys
Model NO.: CUN6LF1C
Wavelength: 365nm
Size: 3.5 x 2.8 x 0.7mm
Voltage: 3.6V
Current: 50mA
Radiant Power: 40mW UV LED diode 365nm
View Angle: 120°
Features and Benefits
Low current operating
SMT type
Lead free product
Compact 3528 SMD package
Wide 120° UV-A emission
Suitable for low-power UV module design
Key Applications
UV Curing
Printing
Coating
Adhesive
Photocatalyst
Counterfeit Detection / Security
UV Torch
Fluorescence Photography
Dental Curing
Crime Inspection
Oil Leak Detection
Insect Trap
FAQ
What is this uv led diode 365nm used for?
This uv led diode 365nm is used for low-power UV curing tests, printing, coating, adhesive response checks, photocatalyst modules, counterfeit detection, security inspection, UV torch design, fluorescence photography, dental curing tests, crime inspection, oil leak detection and insect trap applications.
Is CUN6LF1C a Seoul Viosys UV LED?
Yes. CUN6LF1C is a Seoul Viosys 365nm UV-A LED in a compact 3528 SMD package.
What wavelength does this diode use?
The CUN6LF1C uses a 365nm wavelength, which belongs to the UVA / near-UV range.
What is the radiant power?
The radiant power is 40mW.
What is the forward voltage?
The forward voltage is 3.6V.
What is the operating current?
The operating current is 50mA, which makes this diode suitable for low current UV-A applications.
What is the package size?
The package size is 3.5 x 2.8 x 0.7mm.
What is the view angle?
The view angle is 120°, which provides wide UV-A coverage for compact detection, photocatalyst, inspection and insect trap light-source designs.
Is this diode suitable for UV curing?
Yes, it can be used for low-power UV curing tests, adhesive response checks and small material evaluation when the material is reactive to 365nm. It is not a high-power curing LED.
Can it be used for photocatalyst applications?
Yes. The 365nm UV-A output can be used in photocatalyst-related module designs, but final performance should be verified with the selected catalyst material and complete system structure.
Can this diode be used in insect traps?
Yes. The 365nm UV-A output can be used as a light source in insect trap designs, but final attraction performance depends on the full product design and should be tested.
Is this uv led diode 365nm suitable for sterilization?
No. This is a 365nm UVA diode, not a UVC sterilization diode. It should not be used or promoted for sterilization or germicidal applications.
Is it safe to look directly at the LED?
No. Do not look directly at the operating UV LED. Use protective eyewear, shielding and safe working procedures during testing, assembly and operation.























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